The chance of earthquake damage in Granada is lower than Colorado average and is much lower than the national average. The risk of tornado damage in Granada is about the same as Colorado average and is lower than the national average.

The earthquake index value is calculated based on historical earthquake events data using USA.com algorithms. It is an indicator of the earthquake level in a region. A higher earthquake index value means a higher chance of an earthquake.

The volcano index value is calculated based on the currently known volcanoes using USA.com algorithms. It is an indicator of the possibility of a region being affected by a possible volcano eruption. A higher volcano index value means a higher chance of being affected.

The tornado index value is calculated based on historical tornado events data using USA.com algorithms. It is an indicator of the tornado level in a region. A higher tornado index value means a higher chance of tornado events.

Other Weather Extremes Events

A total of 1,978 other weather extremes events within 50 miles of Granada, CO were recorded from 1950 to 2010. The following is a break down of these events:

Type

Count

Type

Count

Type

Count

Type

Count

Type

Count

Avalanche:

0

Blizzard:

1

Cold:

4

Dense Fog:

1

Drought:

3

Dust Storm:

0

Flood:

67

Hail:

1,417

Heat:

14

Heavy Snow:

10

High Surf:

0

Hurricane:

0

Ice Storm:

7

Landslide:

0

Strong Wind:

4

Thunderstorm Winds:

371

Tropical Storm:

0

Wildfire:

3

Winter Storm:

14

Winter Weather:

2

Other:

60

Volcanos Nearby

No volcano is found in or near Granada, CO.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Granada, CO.

No historical earthquake events found in or near Granada, CO.

Historical Tornado Events

A total of 19 historical tornado events that had recorded magnitude of 2 or above found in or near Granada, CO.

Distance (miles)

Date

Magnitude

Start Lat/Log

End Lat/Log

Length

Width

Fatalities

Injuries

Property Damage

Crop Damage

Affected County

11.1

1968-06-24

2

38°04'N / 102°07'W

38°05'N / 102°06'W

0

1

25K

0

Prowers

11.9

2007-03-28

3

38°01'N / 102°07'W

38°16'N / 102°07'W

17.00 Miles

900 Yards

2

9

4.0M

0K

Prowers

Brief Description: EVENT NARRATIVE: With a maximum rating of EF3 and a maximum damage path width of 900 yards, the tornado raced through Holly, causing two fatalities and nine injuries. EPISODE NARRATIVE: A few severe thunderstorms occurred over extreme southeast Colorado... producing damaging winds and large hail. One supercell generated large hail...damaging winds...and two tornadoes. The tornado which struck Holly...rural northeast Prowers County...and rural southeast Kiowa County had a maximum rating of EF3. The path width reached a maximum of around 900 yards in extreme northeast Prowers County. Prior to this...as the tornado moved through Holly...the path width was around 600 feet. Over 200 residences and other buildings were affected or destroyed. Two people were killed and nine others were injured. The damage path was around 28 miles long...extending into Kiowa County. The last substantial damage with the tornado was 12 miles north of Holly...in northeast Prowers County...where a ranch sustained high end EF3 damage. As the supercell cycled through...another tornado occurred east of Towner...and moved into Kansas.

16.8

1975-06-08

2

38°06'N / 102°37'W

1.00 Mile

220 Yards

0

0

25K

0

Prowers

18.5

2001-05-29

3

38°04'N / 102°39'W

38°06'N / 102°39'W

3.00 Miles

50 Yards

0

0

150K

0

Prowers

Brief Description: Thunderstorms spawned six brief tornadoes and an F3 tornado within a three mile radius of the Lamar Municipal Airport between 1049 MST and 1231 MST just west of Lamar. The F3 tornado, which showed supercellular characteristics, completely destroyed a modular home and five vehicles in its vicinity, and damaged two other homes nearby. Eleven power poles were destroyed as well.

22.4

2007-03-28

2

38°15'N / 102°04'W

38°24'N / 102°04'W

11.00 Miles

400 Yards

0

0

10K

0K

Kiowa

Brief Description: EVENT NARRATIVE: The Prowers County tornado crossed into Kiowa County and traveled another 11 miles...destroying electrical transmission poles (EF2 damage). The tornado did not hit any other structures in Kiowa County. EPISODE NARRATIVE: A few severe thunderstorms occurred over extreme southeast Colorado... producing damaging winds and large hail. One supercell generated large hail...damaging winds...and two tornadoes. The tornado which struck Holly...rural northeast Prowers County...and rural southeast Kiowa County had a maximum rating of EF3. The path width reached a maximum of around 900 yards in extreme northeast Prowers County. Prior to this...as the tornado moved through Holly...the path width was around 600 feet. Over 200 residences and other buildings were affected or destroyed. Two people were killed and nine others were injured. The damage path was around 28 miles long...extending into Kiowa County. The last substantial damage with the tornado was 12 miles north of Holly...in northeast Prowers County...where a ranch sustained high end EF3 damage. As the supercell cycled through...another tornado occurred east of Towner...and moved into Kansas.

27.9

1966-07-06

2

38°06'N / 101°48'W

0

1

25K

0

Hamilton

28.7

1962-05-17

2

37°59'N / 101°47'W

38°10'N / 101°47'W

12.60 Miles

250 Yards

0

0

25K

0

Hamilton

30.1

1954-05-26

2

37°59'N / 101°46'W

0.50 Mile

100 Yards

0

0

250K

0

Hamilton

37.4

1982-05-18

2

38°22'N / 102°53'W

2.00 Miles

200 Yards

0

0

25K

0

Kiowa

41.2

1971-10-17

3

38°21'N / 103°00'W

38°24'N / 102°55'W

5.60 Miles

500 Yards

0

0

250K

0

Kiowa

41.2

1967-06-10

2

37°32'N / 102°27'W

37°24'N / 102°15'W

14.20 Miles

100 Yards

0

4

250K

0

Baca

41.8

1975-05-12

2

38°30'N / 102°58'W

38°28'N / 102°46'W

11.10 Miles

440 Yards

0

0

250K

0

Kiowa

42.2

1990-06-19

2

37°46'N / 101°38'W

1.50 Miles

150 Yards

0

0

250K

0

Hamilton

43.2

1975-05-10

2

38°46'N / 102°45'W

38°28'N / 102°37'W

21.90 Miles

440 Yards

0

0

0K

0

Cheyenne

43.4

1970-05-30

2

37°32'N / 101°53'W

0.50 Mile

100 Yards

0

0

25K

0

Stanton

43.7

1963-11-21

2

38°15'N / 101°44'W

38°36'N / 101°34'W

25.70 Miles

100 Yards

0

0

3K

0

Hamilton

46.0

2004-06-16

2

37°43'N / 103°02'W

37°42'N / 103°01'W

2.00 Miles

100 Yards

0

1

100K

0

Bent

Brief Description: A tornado struck a ranch destroying the house, and damaging other buildings and two mobile homes. The family of five sought shelter in an interior closet, and the lone injury was the mother, who suffered a minor gash on her forehead.

47.7

1990-06-19

2

37°42'N / 101°34'W

1.50 Miles

150 Yards

0

0

250K

0

Stanton

48.5

1972-08-22

2

37°34'N / 101°41'W

0.10 Mile

220 Yards

0

0

25K

0

Stanton

* The information on this page is based on the global volcano database, the U.S. earthquake database of 1638-1985, and the U.S. Tornado and Weather Extremes database of 1950-2010.